Light Blue Swimming Pool Backwash Hose Features long-lasting, pressure tested, and pinhole free Rolls up for easy storage when not in use Hose measures 25 feet long by 1.5 inches in diameter Back washing your pool filter is essential for keeping your water clear and this hose is used to remove waste water from your filter. Use a ball valve or shut off valve to reduce a mess! Each hose rolls up neatly for storage. Product Features:. Long lasting, pressure tested, and pinhole free. Rolls up for easy storage when not in use. Dimensions: 25' long x 1.5" diameter. Material(s): PVC